
D4019 by Zymo Research is a 100-prep plasmid miniprep kit using a pellet-free 8-minute direct lysis protocol. Inputs 600 µl E. coli overnight culture; yields up to 25 µg plasmid DNA (up to 25 kb) in ≥30 µl at A260/A280 ≥1.8 and ≤50 EU/µg endotoxin. Patented colored buffers provide visual lysis confirmation. Compatible with PCR, sequencing, cloning, and transfection.